Home / 2,930.20-4,043.04-1,670.90

Finding the Fourth Proportional to 2,930.20, 4,043.04 and 1,670.90

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Solution

The fourth proportional to 2,930.20, 4,043.04 and 1,670.90 is: 2,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.20 : 4,043.04 = 1,670.90 : x
  2. Step 2: Convert to fraction form
    2,930.20/4,043.04 = 1,670.90/x
  3. Step 3: Cross multiply
    2,930.20x = 4,043.04 × 1,670.90
  4. Step 4: Simplify right side
    2,930.20x = 6,755,515.54
  5. Step 5: Solve for x
    x = 6,755,515.54/2,930.20
  6. Step 6: Final answer
    x = 2,305.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.